If you need to find all files inside a directory that were modified in the last 24 hours you can...

This will show you how to create a RSS feed that the Feed Validator considers valid. Note that RSS is...

alfajango.com

The CSS Emoticons plugin is a simple jQuery plugin (and stylesheet) that allows you to turn any text emoticons on...

In modern Rails versions you can also use ActiveRecord's pluck method. User.active.pluck(:id) => [1, 5, 23, 42]

You should test the callback methods and its correct invocation in two separate tests. Understand the ActiveRecord note before you...

images.google.com

In july Google announced a new version of their image serach tool Google Images. But you won't find it...

First of all: You could just use RVM which would make the pain go away. If for some reason you...

github.com

You can use the whatlanguage gem to detect the language of a Ruby string. Note that it also has not...

Be careful! The following solution will delete files on a volume. If you don't know exactly what you're...

paulirish.com

Cached fonts WILL caused an unstyled flash of text.

emphaticsolutions.com

In a great post about named routes in Rails, path vs. url, Viget Labs ponders which variant is best used...

yehudakatz.com

This post explains, in some detail, how we will implement a nice performance boost for Rails developers. Understanding the details...

wmd-editor.com

WMD is a simple, lightweight HTML editor for blog comments, forum posts, and basic content management. You can add WMD...

Expiration of Rails sessions By default Rails sessions expire when the user closes her browser window. To change this edit...

Embedded Flash movies do not always obey element order and z-index. To fix this, set the wmode attribute to...

When submitting textareas, browsers sometimes include carriage returns (\r) instead of just line feeds (\n) at the end of each...

If you iterate over a collection of arrays, you can destructure the arrays within the block parameters: movies_and_directors...

When a spec only runs when it is called directly, but not as part of the whole test suite, make...

github.com

By default, Cucumber uses mocha. This note shows to use RSpec stubs and mocks instead. Rspec 1 / Rails 2

Since RubyMine 3.1 you can drag tabs across panes/windows and out of the main window to create new windows.

makandra dev

sudo apt-get install i8kutils Reboot You can now run the i8k tools such as i8kmon Setting the fan speed...

Call with the server's hostname (and user if you have no SSH agent), e.g. install-gems-remotely my.server.com

makandra dev
w3.org

The following Haml will do: %head{ :profile => 'http://www.w3.org/2005/10/profile' } %link{ :href => image_path('favicon.ico'), :rel => 'icon', :type => 'image/vnd.microsoft.icon' }

gem-session.com

If you want to exclude your staging site from Google using robots.txt without running the risk to forget deleting the...